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password-manager-mirror/frontend/delta/js/MochiKit/Format.js

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/*
Copyright 2008-2013 Clipperz Srl
This file is part of Clipperz, the online password manager.
For further information about its features and functionalities please
refer to http://www.clipperz.com.
* Clipperz is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
* Clipperz is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public
License along with Clipperz. If not, see http://www.gnu.org/licenses/.
*/
/***
MochiKit.Format 1.5
See <http://mochikit.com/> for documentation, downloads, license, etc.
(c) 2005 Bob Ippolito. All rights Reserved.
***/
MochiKit.Base.module(MochiKit, 'Format', '1.5', ['Base']);
MochiKit.Format._numberFormatter = function (placeholder, header, footer, locale, isPercent, precision, leadingZeros, separatorAt, trailingZeros) {
return function (num) {
num = parseFloat(num);
if (typeof(num) == "undefined" || num === null || isNaN(num)) {
return placeholder;
}
var curheader = header;
var curfooter = footer;
if (num < 0) {
num = -num;
} else {
curheader = curheader.replace(/-/, "");
}
var me = arguments.callee;
var fmt = MochiKit.Format.formatLocale(locale);
if (isPercent) {
num = num * 100.0;
curfooter = fmt.percent + curfooter;
}
num = MochiKit.Format.roundToFixed(num, precision);
var parts = num.split(/\./);
var whole = parts[0];
var frac = (parts.length == 1) ? "" : parts[1];
var res = "";
while (whole.length < leadingZeros) {
whole = "0" + whole;
}
if (separatorAt) {
while (whole.length > separatorAt) {
var i = whole.length - separatorAt;
//res = res + fmt.separator + whole.substring(i, whole.length);
res = fmt.separator + whole.substring(i, whole.length) + res;
whole = whole.substring(0, i);
}
}
res = whole + res;
if (precision > 0) {
while (frac.length < trailingZeros) {
frac = frac + "0";
}
res = res + fmt.decimal + frac;
}
return curheader + res + curfooter;
};
};
/** @id MochiKit.Format.numberFormatter */
MochiKit.Format.numberFormatter = function (pattern, placeholder/* = "" */, locale/* = "default" */) {
// http://java.sun.com/docs/books/tutorial/i18n/format/numberpattern.html
// | 0 | leading or trailing zeros
// | # | just the number
// | , | separator
// | . | decimal separator
// | % | Multiply by 100 and format as percent
if (typeof(placeholder) == "undefined") {
placeholder = "";
}
var match = pattern.match(/((?:[0#]+,)?[0#]+)(?:\.([0#]+))?(%)?/);
if (!match) {
throw TypeError("Invalid pattern");
}
var header = pattern.substr(0, match.index);
var footer = pattern.substr(match.index + match[0].length);
if (header.search(/-/) == -1) {
header = header + "-";
}
var whole = match[1];
var frac = (typeof(match[2]) == "string" && match[2] != "") ? match[2] : "";
var isPercent = (typeof(match[3]) == "string" && match[3] != "");
var tmp = whole.split(/,/);
var separatorAt;
if (typeof(locale) == "undefined") {
locale = "default";
}
if (tmp.length == 1) {
separatorAt = null;
} else {
separatorAt = tmp[1].length;
}
var leadingZeros = whole.length - whole.replace(/0/g, "").length;
var trailingZeros = frac.length - frac.replace(/0/g, "").length;
var precision = frac.length;
var rval = MochiKit.Format._numberFormatter(
placeholder, header, footer, locale, isPercent, precision,
leadingZeros, separatorAt, trailingZeros
);
var m = MochiKit.Base;
if (m) {
var fn = arguments.callee;
var args = m.concat(arguments);
rval.repr = function () {
return [
self.NAME,
"(",
m.map(m.repr, args).join(", "),
")"
].join("");
};
}
return rval;
};
/** @id MochiKit.Format.formatLocale */
MochiKit.Format.formatLocale = function (locale) {
if (typeof(locale) == "undefined" || locale === null) {
locale = "default";
}
if (typeof(locale) == "string") {
var rval = MochiKit.Format.LOCALE[locale];
if (typeof(rval) == "string") {
rval = arguments.callee(rval);
MochiKit.Format.LOCALE[locale] = rval;
}
return rval;
} else {
return locale;
}
};
/** @id MochiKit.Format.twoDigitAverage */
MochiKit.Format.twoDigitAverage = function (numerator, denominator) {
if (denominator) {
var res = numerator / denominator;
if (!isNaN(res)) {
return MochiKit.Format.twoDigitFloat(res);
}
}
return "0";
};
/** @id MochiKit.Format.twoDigitFloat */
MochiKit.Format.twoDigitFloat = function (aNumber) {
var res = MochiKit.Format.roundToFixed(aNumber, 2);
if (res.indexOf(".00") > 0) {
return res.substring(0, res.length - 3);
} else if (res.charAt(res.length - 1) == "0") {
return res.substring(0, res.length - 1);
} else {
return res;
}
};
/** @id MochiKit.Format.lstrip */
MochiKit.Format.lstrip = function (str, /* optional */chars) {
str = str + "";
if (typeof(str) != "string") {
return null;
}
if (!chars) {
return str.replace(/^\s+/, "");
} else {
return str.replace(new RegExp("^[" + chars + "]+"), "");
}
};
/** @id MochiKit.Format.rstrip */
MochiKit.Format.rstrip = function (str, /* optional */chars) {
str = str + "";
if (typeof(str) != "string") {
return null;
}
if (!chars) {
return str.replace(/\s+$/, "");
} else {
return str.replace(new RegExp("[" + chars + "]+$"), "");
}
};
/** @id MochiKit.Format.strip */
MochiKit.Format.strip = function (str, /* optional */chars) {
var self = MochiKit.Format;
return self.rstrip(self.lstrip(str, chars), chars);
};
/** @id MochiKit.Format.truncToFixed */
MochiKit.Format.truncToFixed = function (aNumber, precision) {
var fixed = MochiKit.Format._numberToFixed(aNumber, precision);
var fracPos = fixed.indexOf(".");
if (fracPos > 0 && fracPos + precision + 1 < fixed.length) {
fixed = fixed.substring(0, fracPos + precision + 1);
fixed = MochiKit.Format._shiftNumber(fixed, 0);
}
return fixed;
};
/** @id MochiKit.Format.roundToFixed */
MochiKit.Format.roundToFixed = function (aNumber, precision) {
var fixed = MochiKit.Format._numberToFixed(aNumber, precision);
var fracPos = fixed.indexOf(".");
if (fracPos > 0 && fracPos + precision + 1 < fixed.length) {
var str = MochiKit.Format._shiftNumber(fixed, precision);
str = MochiKit.Format._numberToFixed(Math.round(parseFloat(str)), 0);
fixed = MochiKit.Format._shiftNumber(str, -precision);
}
return fixed;
};
/**
* Converts a number to a fixed format string. This function handles
* conversion of exponents by shifting the decimal point to the left
* or the right. It also guarantees a specified minimum number of
* fractional digits (but no maximum).
*
* @param {Number} aNumber the number to convert
* @param {Number} precision the minimum number of decimal digits
*
* @return {String} the fixed format number string
*/
MochiKit.Format._numberToFixed = function (aNumber, precision) {
var str = aNumber.toString();
var parts = str.split(/[eE]/);
var exp = (parts.length === 1) ? 0 : parseInt(parts[1], 10) || 0;
var fixed = MochiKit.Format._shiftNumber(parts[0], exp);
parts = fixed.split(/\./);
var whole = parts[0];
var frac = (parts.length === 1) ? "" : parts[1];
while (frac.length < precision) {
frac += "0";
}
if (frac.length > 0) {
return whole + "." + frac;
} else {
return whole;
}
};
/**
* Shifts the decimal dot location in a fixed format number string.
* This function handles negative values and will add and remove
* leading and trailing zeros as needed.
*
* @param {String} num the fixed format number string
* @param {Number} exp the base-10 exponent to apply
*
* @return {String} the new fixed format number string
*/
MochiKit.Format._shiftNumber = function (num, exp) {
var pos = num.indexOf(".");
if (pos < 0) {
pos = num.length;
} else {
num = num.substring(0, pos) + num.substring(pos + 1);
}
pos += exp;
while (pos <= 0 || (pos <= 1 && num.charAt(0) === "-")) {
if (num.charAt(0) === "-") {
num = "-0" + num.substring(1);
} else {
num = "0" + num;
}
pos++;
}
while (pos > num.length) {
num += "0";
}
if (pos < num.length) {
num = num.substring(0, pos) + "." + num.substring(pos);
}
while (/^0[^.]/.test(num)) {
num = num.substring(1);
}
while (/^-0[^.]/.test(num)) {
num = "-" + num.substring(2);
}
return num;
};
/** @id MochiKit.Format.percentFormat */
MochiKit.Format.percentFormat = function (aNumber) {
return MochiKit.Format.twoDigitFloat(100 * aNumber) + '%';
};
MochiKit.Format.LOCALE = {
en_US: {separator: ",", decimal: ".", percent: "%"},
de_DE: {separator: ".", decimal: ",", percent: "%"},
pt_BR: {separator: ".", decimal: ",", percent: "%"},
fr_FR: {separator: " ", decimal: ",", percent: "%"},
"default": "en_US",
__export__: false
};
MochiKit.Format.__new__ = function () {
MochiKit.Base.nameFunctions(this);
var base = this.NAME + ".";
var k, v, o;
for (k in this.LOCALE) {
o = this.LOCALE[k];
if (typeof(o) == "object") {
o.repr = function () { return this.NAME; };
o.NAME = base + "LOCALE." + k;
}
}
};
MochiKit.Format.__new__();
MochiKit.Base._exportSymbols(this, MochiKit.Format);
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